Abstract: A bulk roll cutting apparatus with a safety linkage is used to prevent inadvertent gravitational falls of a blade. The apparatus has a frame holding the blade, the blade is movable between a cutting position and a retracted position. In the cutting position, the blade is positioned proximate to an arbor. At least one link arm is movably connected to the frame. An actuator connects between the at least one link arm and the blade. An adjustment device connects between the at least one link arm and the frame. The adjustment device controls a cutting depth of the blade relative to the arbor. A safety linkage connects between the at least one link arm and the frame, and the safety linkage prevents an inadvertent gravitational fall of the blade.

Abstract: A bulk roll cutting apparatus with a safety linkage is used to prevent inadvertent gravitational falls of a blade. The apparatus has a frame holding the blade, the blade is movable between a cutting position and a retracted position. In the cutting position, the blade is positioned proximate to an arbor. At least one link arm is movably connected to the frame. An actuator connects between the at least one link arm and the blade. An adjustment device connects between the at least one link arm and the frame. The adjustment device controls a cutting depth of the blade relative to the arbor. A safety linkage connects between the at least one link arm and the frame, and the safety linkage prevents an inadvertent gravitational fall of the blade.

Abstract: This disclosure relates to methods and apparatuses for punching workpieces. A punching tool is configured to move during a punching stroke along a stroke axis towards a workpiece to be punched. The punching tool is configured to move away from the punched workpiece during a return stroke. The punching tool includes first and second components configured to be coupled hydraulically for concurrent movement along the stroke axis. The punching tool includes a punching drive for moving the first component along the stroke axis. The punching apparatus is configured to move the second component relative to the first component at a first transmission ratio during the punching stroke. The punching apparatus is configured to move the second component relative to the first component at a second transmission ratio in response to a reaction force of the workpiece exceeding a threshold value of the punching drive during the punching stroke.

Abstract: An opening/closing apparatus is provided for use in a molding apparatus, such as an injection molding machine. The opening/closing apparatus may eliminate the influence of a slight gap formed between a bush and a pin in a link connecting portion of a toggle link mechanism and in addition, can enhance workability e.g., in mold replacement. An opening/closing apparatus of the present technology may include an opening/closing mechanism including a toggle link mechanism connecting a pressure-receiving platen and a movable platen; a drive mechanism for driving the opening/closing mechanism; and a core-back hydraulic cylinder for applying a load to the movable platen in a given direction in conjunction with the first drive mechanism, configured to perform the operation of slightly opening of the mold.

Abstract: A system and method for producing a bale having a target weight set by a user. A processor compares stored actual weights to the target weight, and, based on a difference, adjusts the bale-forming process. The processor may calculate a load value for a connecting rod, measure an actual load value for the rod, and, based on a difference, set a new pressure value for the process, and then repeat these steps until the bale is fully formed. The processor may determine a first line relating a calculated load on the connecting rod to a current pressure, determine a second line relating a measured load on the rod to the current pressure, identify a pressure value at the intersection of the first and the second lines, and make this the new pressure value for the process, and then repeat these steps until the bale is fully formed.

Abstract: A package bag sealing machine includes a first clamping unit and a second clamping unit respectively connected to a first bracket and a second bracket and movable relative to each other to clamp a package bag therebetween, a first sealing unit, a second sealing unit connected to the second bracket, and a first drive connecting the first sealing unit to the first bracket and controllable to move the first sealing unit toward the second sealing unit for sealing a package bag between the first sealing unit and the second sealing unit. After the first clamping unit and the second clamping unit clamp the package bag to be sealed, they are immovable, preventing stretching the package bag during the sealing operation and increasing the packaging yield.

Abstract: To provide a punch press which can effectively suppress vibration even when punching operation is performed at high speed. The punch press according to the present invention includes a press drive source, a drive transmitting mechanism which transmits power from the press drive source to a punch tool, and the punch tool connected to the drive transmitting mechanism, wherein at least a part of the drive transmitting mechanism is made of a carbon fiber material. Accordingly, the weight of the drive transmitting mechanism is reduced, and thus it is possible to reduce the force of inertia generated by the mass transfer of the drive transmitting mechanism and effectively suppress vibration, even when punching operation is performed at high-speed. When the power transmitting mechanism is made lighter in such manner, there is the effect of reducing the noise during the punching operation and reducing the power consumed during the punching operation.

Abstract: A clamp assembly for a hydroforming die includes a stationary lower bed to support a lower die half of the hydroforming die, a stationary upper bed spaced above the lower bed, at least one guide post extending between the lower bed and the upper bed, a movable slide disposed between the upper bed and the lower bed and movable along the at least one guide post to support an upper die half of the hydroforming die, a lifting cylinder operatively connected to the movable slide to move the movable slide and upper die half toward and away relative to the lower die half, at least one link mechanism connected to the upper bed and the movable slide to equalize a force on the hydroforming die, and at least one linkage cylinder operatively connected to the at least one link mechanism to activate the at least one link mechanism to prevent the movable slide and upper die half from moving away from the lower die half to keep the hydroforming die closed during a hydroforming process.

Abstract: A process for operating a workpiece transport system for a press arrangement includes driving, the system by at least one driving device which can be held in a stoppage position with a braking device. By application of a predefined torque by the driving device, the functioning of the braking device is checked.

Abstract: The invention relates to a hydromechanical drive system for at least one press ram of a cutting and/or forming press, at least one drive cylinder being connected to a following kinematic chain. This kinematic chain is designed in such a way that a complete ram stroke, i.e. a downward motion and an upward motion, is effected during a single piston stroke in only one direction. In addition, the proposed drive system has mechanical controlled synchronization.

Abstract: A press brake is comprised of a frame having a bed secured thereto with a ram displaceable to and away from the bed whereby to form metal sheets positioned on the bed. The ram is secured to a hydraulic piston through opposed symmetrical linkage assemblies. Each linkage assembly is connected adjacent opposed ends of the ram and includes a lever member pivotally secured to the frame by an anchor pin pivot connection. A link arm interconnects the lever member to the ram by pivot pin connections adjacent opposed ends of the link arm. An interconnecting bar interconnects the lever member of each linkage assembly together by a further pivot pin connection adjacent opposed ends of the interconnecting bar.

Abstract: In a toggle type punch driving system, the upper and lower ends of a bendable lever which can bend at an intermediate part thereof are pivotably connected to a fulcrum member and a ram respectively, and an advancing/retreating member for bending the lever is connected to the bendable part of the bending lever. The fulcrum member is formed as a vertically pivotable lever and it is borne by an upper/lower position switchover mechanism composed of a second bendable lever supported between a free end of the fulcrum member and frame, and an air cylinder. A retraction stroke of the ram necessary for tool change is assigned to the bending motion of the second bendable lever to diminish the punching stroke of the ram based on the bending motion of the bendable lever.

Abstract: The top and bottom ends of a pivoting lever, which is pivotable in the middle, are rotatably connected with a supporting component and a ram, respectively. A shuttle component is linked with the pivot point of the pivoting lever. The shuttle component drives the pivoting lever forcing it to pivot, and when the shuttle component reaches the midpoint of the stroke the pivoting is fully extended. The shuttle component is shuttled by way of a crank, utilizing a servomotor as the drive source. The ram drives the punching tool and is held by the frame in the way that it can readily make the up and down motion.

Abstract: A cutting and shaping press comprises one or more drivers. The piston rod of the individual drive cylinder is connected to a hinged lever drive for a press ram. The drive cylinder is fixed on a bridge which connects two slide plates together. These slide plates are arranged inside the press ram and each have in the center a guide for a multiple pivot carrier. The press ram is open upwardly towards the drive cylinder and slide with its lateral surfaces, which are enclosed on all sides, along guides which are fitted in fixed positions on the inner sides of a press stand.

Abstract: A press for the moulding of plastic materials (or for die-casting) of the type with a double-toggle closing unit, having an additional mobile plate (20) which is guided on columns (14) and can be moved between the closing plate (11) and the mobile mould-holder plate (13) and which has two opposing wings (20') outside the guiding columns (14) turned towards the closing plate (11) and such as to pass outside this when the additional plate (20) is moved towards the closing plate (11) to open the press. The toggles (18) are connected to said wings (20') of the additional plate (20) and turn folding themselves back towards the outside of the columns and towards the closing plate (11) when the additional plate moves from the press closing position to the opening position.

Abstract: A pressing apparatus for compressing large articles into small articles which includes an upper plate and a lower base plate, a pressing plate disposed between the upper plate and the lower base plate, the pressing plate being suspended from the upper plate by a plurality of foldable link members which are pivotally connected to the upper plate and to the pressing plate at opposite sides, a piston-cylinder connecting at least some of the foldable link members disposed at opposite sides of the upper plate and pressing plate, and a device for operating the piston-cylinder, whereby the back and forth movement of the piston-cylinder causes the foldable link members to fold on themselves to a closed position or extend to an open position whereby the pressing plate is raised and lowered relative to the upper plate and the lower base plate.

Abstract: A method for hydraulic control of a toggle lever press in which the velocity of a driving piston rod is increased at least once in the working region of a press ram. The velocity of the press ram is thus kept relatively constant up to bottom dead center (or upper dead center) of the press ram. A toggle lever press has a control adapted for carrying out this method.

Abstract: A dovetail jointing press for the manufacture of dovetail joints of boards, having respective dovetailings at their faces that are pasted with glue, is provided. The press comprises two tables that are disposed on common tracks and receive continuously fed boards. The tables are slidable on the tracks towards one another and away from one another via respective working cylinders. The respective presses that are disposed above each one of the tables are closed by working cylinders and released when the tables are moved away from one another. All the moving functions of the dovetail jointing press may be performed by working cylinders or by threaded spindles driven by electric motors. Computer programming may be used to coordinate the individual movements, so that the press may be operated automatically.

Abstract: A drive mechanism for a hemming apparatus includes a pneumatic cylinder pivotally mounted to a frame which is suspended from a bed on which the workpiece can be positioned. The reciprocating shaft of the pneumatic cylinder is pivotally connected to the knee of a toggle joint. One end of the toggle joint is pivotally connected to the frame, and the other end of the toggle joint is pivotally connected to a lever. The fulcrum of the lever is pivoted on the frame, and the other end of the lever is connected to a draw rod. The draw rod is adapted to pull a movable member into operative engagement with the workpiece in one or two stages to complete the hem.

Abstract: There is disclosed a motor-driven garbage truck provided with a detachable garbage container equipped with releasable coupling elements, and also having permanently mounted thereon a pouring unit which includes a pouring chute, lifting and tipping apparatus for picking up a garbage can and discharging the contents thereof into the chute which leads to a receiving space, and a conveying and compacting apparatus including a compacting platen and which apparatus is driven by crossing hydraulic piston-cylinder units for transferring the garbage from the receiving space into the container through a receiving opening that is provided with a cover plate joined to the upper edge of the compacting platen and which is guided in tracks located above the driver's cab.

Abstract: A press apparatus is disclosed which includes a bed, a pair of opposing ram guides fixedly mounted to the bed, and a ram slidably mounted to the ram guides for linear movement relative to the bed. A pair of pull links is arranged on opposing sides of the ram, and a pull link support shaft is provided to pivotably mount the lower ends of the pull links to the bed for pivotal movement together relative to the bed. A pair of lever links is arranged on opposing sides of the ram, and a lever link support shaft is provided to pivotally mount the pair of lever links to the ram for pivotal movement together relative to the ram. A first connecting shaft is provided to pivotally mount the upper end of each of the pull links to a respective one of the lever links. A reciprocating cylinder device is operatively connected to the lever links in order to selectively force the lever links to pivot together in first and second rotational directions relative to the ram when operated in first and second selected manners.

Abstract: The invention relates to an articulated lever press consisting of a press stand (1.1) and a frame-shaped press slide (2.1), the slide (2.1) possessing a hydraulic cylinder drive (2.12) which is arranged on it and is connected to the multi-articulated support (2.7) guided in the center of the press in the slide (2.1). At least two connecting rods (2.8) are movably arranged on the multi-articulated support, the other ends of the connecting rods each engaging one of the two articulated levers (2.10) or (2.11) which are mounted on the slide (2.1) and on the press frame (1.1) so that their height can be adjusted.The object is essentially to keep the working range of the slide (2.1) adjustable, irrespective of the slide travel and while maintaining slide guidance.It is proposed that the press stand (1.1) be a twin-stand frame partially closed even at the front end. The working range of the slide (2.1) in the stand (1.1) is supported and adjusted by synchronously driven shafts (2.

Abstract: Stamping and forming machine of the type having opposed tooling assemblies which are reciprocable towards and away from each other has toggle mechanisms for moving the tooling assemblies along their paths of reciprocation. Each toggle mechanism has one toggle link pivoted to a tooling assembly and another toggle link pivoted at a fixed pivot location. The fixed location pivots are adjustable in order to control the position of the tooling assemblies when they are in their closed positions. Additionally, adjustable wear plates are provided in the passageway in which the tooling assemblies are mounted. Advantages achieved include reduced manufacturing cost for the machine, potential for high operating speeds, and compactness when desired.

Abstract: A brake press including a stationary bar, a translating bar, a disk rotatable about a fixed, stationary axis, a first set of linkage interconnecting one longitudinal end of the translating bar with the disk, and a second set of linkage interconnecting the other longitudinal end of the translating bar with the disk. The rotation of the disk in a first direction acts through both sets of linkage to translate the translating bar toward the stationary bar, and the rotation of the disk in a second direction acts through both sets of linkage to translate the translating bar away from the stationary bar. The disk may be selectively rotated in either direction or maintained in a stationary position by one or more hydraulic rams. The flow of hydraulic fluid to the hydraulic rams is controlled by a foot pedal which is biased in a position which will cause the hydraulic rams to rotate the disk so that the translating bar is moved away from the stationary bar.

Abstract: To drive two toggle lever (29,29') of a press, in particular a high frequency cutting press with at least 400 strokes per minute, two separate but mutually synchronized drives (101,101') are provided to ensure a uniform, non-wobbling motion of the tool carrier (5). The drives (101, 101') can be rotary or linear drives and are used to drive the toggle levers (29, 29') during at least part of their motion. The energy storage (200) ensures a low energy consumption, since it stores the braking energy and supplies it again to the drive during acceleration.

Abstract: An improved overhead covering device is provided for transportable open top cargo compartments of rectangular configuration. The covering device consists of a flexible cover, the underside of which has a number of parallel reinforcing slats adapted to slidably engage channels associated with the side walls of the cargo compartment. A drum, driven by a motor, enables the cover to be wound up for storage within a housing. The same motor pulls a cable which travels about a pulley wheel at the end of the cargo compartment and deploys the cover from the housing.

Abstract: A toggle-type die-fastening apparatus has a movable platen that carries one mold part and is supported by and guided along a plurality of tie bars whose one ends are fixed to a fixed platen on which another mold part is mounted. The other ends of the tie bars are supported by a toggle support, and a toggle mechanism is disposed between the toggle support and the movable platen for pressing the mold part carried by the movable platen against the mold part mounted on the fixed platen. A die-fastening force adjusting nut is threaded onto the end portion of each tie bar that is closer to the toggle support so as to bear the reaction of the die-fastening force generated by the toggle mechanism. An adjusting cylinder is formed in this portion, and it is connected to a hydraulic circuit so that the pressure within each of the cylinders is controlled by a pressure adjusting valve in such a manner as to correspond to a die-fastening force set by a setting device.

Abstract: The invention relates to an articulated lever press consisting of a press stand (1.1) and a frame-shaped press slide (2.1), the slide (2.1) possessing a hydraulic cylinder drive (2.12) which is arranged on it and is connected to the multi-articulated support (2.7) guided in the center of the press in the slide (2.1), and at least two connecting rods (2.8) are movably arranged on the said multi-articulated support, the other ends of the said connecting rods each engaging one of the two articulated levers (2.10) or (2.11) which are mounted on the slide (2.1) and on the press frame (1.1) so that their height can be adjusted.The object is essentially to keep the working range of the slide (2.1) adjustable, irrespective of the slide travel and while maintaining slide guidance.It is proposed that the press stand (1.1) be a twin-stand frame partially closed even at the front and end. The working range of the slide (2.1) in the stand (1.1) is supported and adjusted by synchronously driven shafts (2.

Abstract: A die closing and locking apparatus for use in a die press includes a two-part linkage and cylinder combination wherein one part includes a toggle mechanism and the other part includes an annular hydraulic cylinder. The toggle mechanism operates on the closing portion of the die so as to move it into position rapidly and with the minimum time required. The annular hydraulic cylinder acts upon the die in the closing portion so as to apply the required closing force on the die, via the toggle mechanism, prior to the casting or molding operation.

Abstract: The present invention relates to a power assembly and fluid supply system for use in a two cycle air cut-off press. The power assembly includes a bell crank having first and second arms extending outwardly at an angle from a fulcrum with the bell crank being pivotally mounted opposite the fulcrum. The arms have rollers connected to them and are positioned beneath guide bars which are alternately reciprocated by power cylinders. Due to the rollers, there are no lateral forces, reducing wear. A link interconnects the bell crank with the ram plate of the press. As the bell crank oscillates about its pivotal mount, the link transfers the oscillatory movement to the ram plate as reciprocal movement. The fluid supply system of the present invention includes an adjustable three-way valve connected to a source of pressurized fluid.

Abstract: The subject matter of the invention is a bonding press for bonding shoe soles to lasted uppers, comprising a fixed bed structure (1) including an exchangeable receptacle plate (6, 9) into the padded opening (8) of which a lasted upper (7) is inserted and fixed with the sole laid thereon and facing upwards, further comprising a pressing pad (2) to which a pressurized medium may be applied, the dimensionally stable cowl (10) of said pad being hingedly joined to the bed structure (1) and hermetically sealed towards the bottom by a flexibly expandable diaphragm (12), and comprising linear drive means (3) mounted to the bed structure for pivoting the cowl (10) and for producing the closing force.

Abstract: Lever mechanism with progressive transmission for increasing the force in presses and the like consisting of a retaining plate fastened to the ram of the machine, a movable mechanism component connected with the retaining plate and a support plate for a stationary mechanism component, comprising a lever yoke (6) with fulcrum points (7, 8, 11) arranged in a generally triangular array, one of said fulcrum points being pivotally to the movable mechanism component (3) by means of an equilibration link (9), the second fulcrum point (7) being pivotally connected to the retaining plate (2) and the third fulcrum point (11) being pivotally connected to the support plate (4) by means of another equilibrium link (12).

Abstract: A toggle press comprises a main frame and a tool holder mounted for reciprocal movement relative to the frame by power means actuating an intermediate toggle arrangement comprising two toggle mechanisms acting in series.

Abstract: A compactor particularly for junk vehicles, has a flatbed supporting a pair of opposed, hinged compaction doors. Each door has a linkage hydraulically operated to open and close the door for compaction of the vehicle against the flatbed. A winch disposed on the front of the compactor has its tow line extending beneath the doors and connects to the end of the vehicle opposite the flatbed to progressively advance the vehicle over the flatbed for compaction by the doors. A sequence control circuit is also provided which automatically opens and closes the compactor doors and automatically operates the winch to sequentially advance segments of the vehicle into the compactor. Additionally, the compactor can easily be made portable facilitating its transportation from one location to another.

Abstract: A machine for reducing, crushing, and joining used metal cans to form an ingot comprising a stack of laminated crushed cans. The reducing chamber contains a vertically adjustable platen on which the ingot is formed. The cans are reduced, crushed, and joined by a ram which is operated within the chamber. Punches on the ram are effective to pierce extruded holes in the crushed cans after the cans have been flattened. The ram is powered hydraulically, or by any other pressure producing device, via a toggle so that an increasing compression force is developed as the cans are crushed.

Abstract: An apparatus for compacting salvage. The apparatus has a crushing pad pivoted at one end to a generally horizontal frame. The crushing pad is moved from a generally vertical position to a generally horizontal position by a fluid cylinder assembly and articulate linkage to accomplish the crushing effort with improved compaction of salvaged material.

Abstract: An injection molding installation includes a box-like mounting base 1 on which are disposed a molding press 2 and a pressure injection apparatus 3. The press 2 includes fixed opposite end plates 4 and 7 mounted directly on the base 1 and an intermediate movable plate 5 slidably bearing on the base via an adaptor wedge A. The injection apparatus includes a motor driven rotary screw conveyor 18 and a plastics material feed funnel 19, and is removably mounted on the base 1 via an interchangeable support rail 22 clamped by internal cross bars 25 to the base or to intermediate spacer inserts 26 mounted thereon. The use of the adaptor wedge and interchangeable support rails enables the accommodation and mounting of molding presses and injection apparatuses having different sizes and configurations on a common and thus standardized mounting base.

Abstract: A pneumatically operated press in which the moving press plunger (13) is actuated by a toggle linkage (20, 21, 22) which is itself actuated by a second toggle linkage (30, 31, 32). The end link (31) of this second linkage is actuated by a large diameter pneumatic ram (34) while the pivotal point (32) of this second toggle linkage is connected to a relatively small diameter pneumatic ram (36), or some other actuator. An automatic switch (42, 32) engages a valve to admit air to the larger ram (34) when the smaller ram (36) has moved the second toggle (30, 31) into an in-line position. The ram (36) may be replaced by a manual operating lever.

Abstract: A fluid piston actuated press is provided with a fixed portion, such as a die, and a plurality of movable portions, such as punches, which move reciprocally along paths which intersect the fixed portion. A plurality of levers, actuated by an actuating means, engage the movable portions to cause them to move along their paths intersecting the fixed portion.

Abstract: A compactor device for large round bales is disclosed comprising a horizontally disposed cylindrical housing containing a plunger, a double toggle mechanism connected to the plunger, a hydraulic cylinder connected to the double toggle mechanism for driving the plunger, and a stabilizer linkage connected to the plunger and the double toggle mechanism for maintaining the plunger in a vertical position during compaction of a bale.

Abstract: A sealing apparatus for joining container parts of a plastic-lightweight al foil laminate by heat and pressure applied to the laminates when the respective plastic layers are pressed into contact uses a toggle linkage and a yieldable buffer, with a hydraulic actuator to drive the toggle linkage to close a pair of sealing heads together. The toggle linkage permits rapid build-up of pressure to a value predetermined by the construction of the buffer, after which the buffer yields to hold the sealing pressure. The duration of the build-up to sealing pressure comprises no more than 20% of the time interval between initiation of pressure build-up and the start of pressure drop-off at the end of the sealing process.

Abstract: A linkage includes a pair of links pivotally connected together near adjacent ends. The opposite end of one of the links pivots about an axis, moving the opposite end of the other link along a linear path. The position of the axis is adjusted along a linear path substantially parallel to the linear path traced by the opposite end of the other link.

Abstract: The trash compactor of the present invention utilizes a three piece toggle linkage mechanism for moving the compactor blade from its inoperative to its operative position. The toggle linkage includes a frame link hinged to the frame of the compactor, a primary link hinged to the frame link, and a blade link pivotally connected to the primary link and also pivotally connected to the compactor blade. Hydraulic cylinders are operatively connected to the linkage mechanism for causing movement of the compactor blade from its initial position to its compacting position. Another feature of the trash compactor, includes a counterbalance mechanism for the door to the compactor, the counterbalance mechanism being adapted to neutralize the weight of the door throughout the swinging movement of the door from its open to its closed position. A safety interlock is engaged by a cam plate on the door so that the hydraulic system is inoperative whenever the door is open.

Abstract: A sealing apparatus for joining container parts of a plastic-lightweight metal foil laminate by heat and pressure applied to the laminates when the respective plastic layers are pressed into contact uses a toggle linkage and a yieldable buffer, with a hydraulic actuator to drive the toggle linkage to close a pair of sealing heads together. The toggle linkage permits build-up of pressure to a value predetermined by the construction of the buffer, after which the buffer yields to hold the sealing pressure. The duration of the build-up to sealing pressure comprises no more than 20% of the time interval between initiation of pressure build-up and the start of pressure drop-off at the end of the sealing process.

Abstract: A fluid piston actuated press is provided with a fixed portion, such as a die, and a plurality of movable portions, such as punches, which move reciprocally along paths which intersect the fixed portion. A plurality of levers, actuated by an actuating means, engage the movable portions to cause them to move along their paths intersecting the fixed portion.

Abstract: The crank press comprises a frame with a bed for accommodating the workpiece and with guides mounted on said frame perpendicularly to the bed surface, said guides supporting a slide which carries the working tool and being connected with the crankshaft by a kinematic chain comprising an engaging mechanism for starting the slide on its working stroke, said mechanism being made in the form of a power cylinder.

Abstract: A fluid piston actuated press is provided with a lever arm having multiple bearing means for transmitting and amplifying the force exerted by a piston to the movable parts of the press and work piece. A novel fulcrum bearing is provided which ensures that frictionally induced shearing forces are counteracted. This is achieved by allowing the bearing to reciprocate along an axis which is acute with respect to the stroke axis. Additional means are provided to adjust the degree of amplification and stroke of the movable part without altering the stroke of the fluid piston. A novel arrangement of component parts is described which allows easy accessibility to the work area and great flexibility of application.

Abstract: A compactor assembly for compacting matter including a housing, a compactor plate within the housing movable between a retracted position and a compacting region for compacting matter wherein the compactor plate is inclined with respect to the path of motion in the retracted position and moves toward the perpendicular with respect thereto in the compacting region, the compactor plate including collapsible means for permitting collapse thereof as it approaches the perpendicular.In one preferred embodiment, the compactor plate includes stapling means for stapling adjacent layers of matter together during the compaction process wherein the stapling means includes a plurality of movable teeth.

Abstract: A baler having an improved hydraulically driven toggle mechanism for operating a baler pressing platen, improved bale ejector, and improved baler door latch. The toggle mechanism includes opposed pairs of first and second arms .Iadd.foldably joined together at their ends with their other respective ends joined to a pressing box and a pressing platen. The opposed sets of arms are mutually oriented so that as the platen is moved to a withdrawn position, the first and second arms of one set interfold compactly and without interference across the respective first and second arms of the opposed set .Iaddend. .[.and second arms, each first arm of which is a generally C-shaped bell crank arm. The first arms are connected.]. to provide a pressing mechanism which is compact but nonetheless has a long pressing stroke to facilitate production of a large bale in only a few pressing strokes.

Abstract: Apparatus for stacking and compressing batts of compressible material comprising a vertical stacking chamber, indexing gates in the upper portion of said stacking chamber normally disposed to receive batts, an indexing and compression plate, means for repeatedly cycling said indexing and compression plate around a first path a predetermined number of times and then around a second path once, said first path extending upwardly of the outside of said stacking chamber laterally into said stacking chamber at a level above said indexing gates, downwardly in said stacking chamber, through said indexing gates, and laterally out of said stacking chamber, said second path extending upwardly of the outside of said stacking chamber, laterally into said stacking chamber, downwardly in said stacking chamber to a compression level in the lower portion thereof that is below the extent of downward travel of said first path and laterally out of said stacking chamber, said indexing gates being operable in response to the passa